VSC7104
Datasheet
Electrical Specifications
Downloaded by pm_virendrakumar@yahoo.com on July 3, 2007 from Vitesse.com
Unless stated otherwise, all specifications are assumed to over recommended operating conditions.
AC Characteristics
Table 1. High-Speed Data Inputs (A, A)
(1)
Symbol
DR
A
Parameter
Serial NRZ input data rate
Typical
Maximum
6.5
Unit
Gbps
Condition
Minimum data rate will be limited by
the AC-coupling capacitor value
(if AC-coupled).
t
PD-AY
t
SKEW
t
R-A
, t
F-A
Propagation delay from input to output
Output channel-to-channel delay skew
Serial data input rise and fall times
500
20
60
200
ps
ps
ps
From any input to any output
20% to 80%.
1. Inputs are guaranteed by characterization.
Table 2. High-Speed Data Outputs (Y, Y)
(1)
Symbol
DR
Y
Parameter
Serial NRZ output data rate
Minimum
Typical
Maximum
6.5
Unit
Gbps
Condition
Minimum data rate will be
limited by the AC-coupling
capacitor value
(if AC-coupled).
t
Jp-p
t
R-Y
, t
F-Y
DC
Y
Serial output data added delay jitter,
peak-to-peak
(2)
20
50
40
50
80
60
ps
ps
%
20% to 80%.
With 50
Ω
to V
CC
.
Only relevant with 101010
input data patterns.
Serial output data rise and fall times
Serial data output duty cycle
1. Outputs are guaranteed by characterization.
2. Broadband (unfiltered) deterministic jitter added to input: 2
23
– 1 PRBS data pattern.
DC Characteristics
Table 3. High-Speed Data Inputs (A, A) — Differential CML
Symbol
V
A-DE
V
ICM
R
IN-A
Parameter
Voltage input swing (differential drive)
Input common-mode voltage
Input resistance
Minimum
100
1.0
80
2
100
Typical
Maximum
2400
V
CC
– 0.3
120
Unit
Condition
mVp-p Differential peak-to-peak.
V
Ω
Between true and
complement inputs.
4 of 14
VMDS-10059 Revision 4.2
February 27, 2007
VITESSE [ VITESSE SEMICONDUCTOR CORPORATION ]
